Java tutorial
import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.scene.paint.CycleMethod; import javafx.scene.paint.LinearGradient; import javafx.scene.paint.LinearGradientBuilder; import javafx.scene.paint.Stop; import javafx.scene.shape.Rectangle; import javafx.scene.shape.RectangleBuilder; import javafx.stage.Stage; public class Main extends Application { public static void main(String[] args) { Application.launch(args); } @Override public void start(Stage primaryStage) { primaryStage.setTitle("Colors"); Group root = new Group(); Scene scene = new Scene(root, 350, 300, Color.WHITE); Rectangle rectangle = RectangleBuilder.create().x(50).y(50).width(100).height(70).translateY(10).build(); LinearGradient linearGrad = LinearGradientBuilder.create().startX(50).startY(50).endX(50) .endY(50 + rectangle.prefHeight(-1) + 25).proportional(false).cycleMethod(CycleMethod.NO_CYCLE) .stops(new Stop(0.1f, Color.rgb(255, 200, 0, .784)), new Stop(1.0f, Color.rgb(0, 0, 0, .784))) .build(); rectangle.setFill(linearGrad); root.getChildren().add(rectangle); primaryStage.setScene(scene); primaryStage.show(); } }